” When Warwick Lyon started work on this Sportster 48, he wanted to build a modern interpretation of a café racer with elements of a streetfighter. Lyon runs an Australian workshop called Rampant Motorcycles, and his forte is mechanics. So he called up Ellaspede—another Brisbane-based builder, but with a background in industrial design.
Lyon had already boosted the power of the Sportster 48 with Stage 1 engine modifications. The stock 1200cc V-twin Evolution engine is a reasonably good performer, producing around 67hp and 107Nm of torque. But by fitting a Screaming Eagle air intake, a Vance & Hines exhaust system, and remapping the ECU, Lyon raised output to 75hp and 115Nm of torque—and improved tractability too. ”
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